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  • Committer: John Arbash Meinel
  • Date: 2010-01-12 22:36:23 UTC
  • mfrom: (4953 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4955.
  • Revision ID: john@arbash-meinel.com-20100112223623-836x5mou0gm5vsep
merge bzr.dev 4953 to clean up the ui factory issues

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bzrlib/cleanup.py
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# Copyright (C) 2009, 2010 Canonical Ltd
 
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# Copyright (C) 2009 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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If you want to be certain that the first, and only the first, error is raised,
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then use::
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    operation = OperationWithCleanups(do_something)
 
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    operation = OperationWithCleanups(lambda operation: do_something())
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    operation.add_cleanup(cleanup_something)
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    operation.run_simple()
 
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    operation.run()
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This is more inconvenient (because you need to make every try block a
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function), but will ensure that the first error encountered is the one raised,